Northern Summer Twilight
Nights grow shorter anddays grow longer as the summer solsticeapproaches in the north.Usually seen at high latitudes in summer months,noctilucent or night shining cloudsbegin to make their appearance. Drifting neartheedge of spaceabout 80 kilometers above the Earth’s surface,these icy clouds were still reflecting the sunlight on June 14.Though the Sun wasbelow the horizon as seennorth of Forrest, Manitoba, Canada,they were caught in a single exposure of a near midnight twilight sky.
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